QRegExp TextFindReplacePanel::regexp()
{
QRegExp expr(findString());
expr.setPatternSyntax(asRegExp() ? QRegExp::RegExp : QRegExp::FixedString);
expr.setCaseSensitivity(matchCase() ? Qt::CaseSensitive : Qt::CaseInsensitive);
return expr;
}
void FindBar::findNext()
{
Q_ASSERT(m_associatedWebView);
if (isHidden()) {
QPoint previous_position = m_associatedWebView->page()->currentFrame()->scrollPosition();
m_associatedWebView->page()->focusNextPrevChild(true);
m_associatedWebView->page()->currentFrame()->setScrollPosition(previous_position);
return;
}
QWebPage::FindFlags options = QWebPage::FindWrapsAroundDocument;
if (matchCase())
options |= QWebPage::FindCaseSensitively;
// FIXME: there's a problem with scrolling. Because we're using the QWebView inside a QScrollArea container, the attempts
// to scroll the QWebView itself have no effect.
// The WebKit sources themselves contain a nice comment about MacOS's Mail application which embeds a web view into
// a scrollable container (now *this* looks familiar, doesn't it) and provides a special function, the scrollRectIntoView.
// Sadly, the Qt wrapper doesn't implement it :(.
bool found = m_associatedWebView->page()->findText(_lastStringSearched, options);
notifyMatch(found);
if (!found) {
QPoint previous_position = m_associatedWebView->page()->currentFrame()->scrollPosition();
m_associatedWebView->page()->focusNextPrevChild(true);
m_associatedWebView->page()->currentFrame()->setScrollPosition(previous_position);
}
}
void FindBar::findPrevious()
{
Q_ASSERT(m_associatedWebView);
QWebPage::FindFlags options = QWebPage::FindBackward | QWebPage::FindWrapsAroundDocument;
if (matchCase())
options |= QWebPage::FindCaseSensitively;
bool found = m_associatedWebView->page()->findText(_lastStringSearched, options);
notifyMatch(found);
}
void FindBar::findPrevious()
{
// parent webwindow
WebWindow *w = qobject_cast<WebWindow *>(parent());
QWebPage::FindFlags options = QWebPage::FindBackward | QWebPage::FindWrapsAroundDocument;
if (matchCase())
options |= QWebPage::FindCaseSensitively;
bool found = w->page()->findText(_lastStringSearched, options);
notifyMatch(found);
}
void FindBar::updateHighlight()
{
Q_ASSERT(m_associatedWebView);
QWebPage::FindFlags options = QWebPage::HighlightAllOccurrences;
m_associatedWebView->page()->findText(QString(), options); //Clear an existing highlight
if (!isHidden() && highlightAllState())
{
if (matchCase())
options |= QWebPage::FindCaseSensitively;
m_associatedWebView->page()->findText(_lastStringSearched, options);
}
}
void FindBar::updateHighlight()
{
// parent webwindow
WebWindow *w = qobject_cast<WebWindow *>(parent());
QWebPage::FindFlags options = QWebPage::HighlightAllOccurrences;
w->page()->findText(QL1S(""), options); //Clear an existing highlight
if (!isHidden() && highlightAllState())
{
if (matchCase())
options |= QWebPage::FindCaseSensitively;
w->page()->findText(_lastStringSearched, options);
}
}
void FindBar::findNext()
{
// parent webwindow
WebWindow *w = qobject_cast<WebWindow *>(parent());
if (w->page()->isOnRekonqPage())
{
// trigger part find action
KParts::ReadOnlyPart *p = w->tabView()->part();
if (p)
{
connect(this, SIGNAL(triggerPartFind()), p, SLOT(slotFind()));
emit triggerPartFind();
return;
}
}
if (isHidden())
{
QPoint previous_position = w->page()->currentFrame()->scrollPosition();
w->page()->focusNextPrevChild(true);
w->page()->currentFrame()->setScrollPosition(previous_position);
return;
}
QWebPage::FindFlags options = QWebPage::FindWrapsAroundDocument;
if (matchCase())
options |= QWebPage::FindCaseSensitively;
bool found = w->page()->findText(_lastStringSearched, options);
notifyMatch(found);
if (!found)
{
QPoint previous_position = w->page()->currentFrame()->scrollPosition();
w->page()->focusNextPrevChild(true);
w->page()->currentFrame()->setScrollPosition(previous_position);
}
}
void FindBar::find(FindBar::FindDirection dir)
{
Q_ASSERT(m_associatedWebView);
if (isHidden()) {
QPoint previous_position = m_associatedWebView->page()->currentFrame()->scrollPosition();
m_associatedWebView->page()->focusNextPrevChild(true);
m_associatedWebView->page()->currentFrame()->setScrollPosition(previous_position);
return;
}
QWebPage::FindFlags options = QWebPage::FindWrapsAroundDocument;
if (dir == Backward)
options |= QWebPage::FindBackward;
if (matchCase())
options |= QWebPage::FindCaseSensitively;
// HACK Because we're using the QWebView inside a QScrollArea container, the attempts
// to scroll the QWebView itself have no direct effect.
// Therefore we temporarily shrink the page viewport to the message viewport (ie. the size it
// can cover at max), then perform the search, store the scrollPosition, restore the page viewport
// and finally scroll the messageview to the gathered scrollPosition, mapped to the message (ie.
// usually offset by the mail header)
auto emb = qobject_cast<EmbeddedWebView *>(m_associatedWebView);
QAbstractScrollArea *container = emb ? static_cast<QAbstractScrollArea*>(emb->scrollParent()) : nullptr;
const QSize oldVpS = m_associatedWebView->page()->viewportSize();
const bool useResizeTrick = container ? !!container->verticalScrollBar() : false;
// first shrink the page viewport
if (useResizeTrick) {
m_associatedWebView->setUpdatesEnabled(false); // don't let the user see the flicker we might produce
QSize newVpS = oldVpS.boundedTo(container->size());
m_associatedWebView->page()->setViewportSize(newVpS);
}
// now perform the search (pot. in the shrinked viewport)
bool found = m_associatedWebView->page()->findText(_lastStringSearched, options);
notifyMatch(found);
// scroll and reset the page viewport if necessary
if (useResizeTrick) {
Q_ASSERT(container->verticalScrollBar());
// the page has now a usable scroll position ...
int scrollPosition = m_associatedWebView->page()->currentFrame()->scrollPosition().y();
// ... which needs to be extended by the pages offset (usually the header widget)
// NOTICE: QWidget::mapTo() fails as the viewport child position can be negative, so we run ourself
QWidget *runner = m_associatedWebView;
while (runner->parentWidget() != container->viewport()) {
scrollPosition += runner->y();
runner = runner->parentWidget();
}
// reset viewport to original size ...
m_associatedWebView->page()->setViewportSize(oldVpS);
// ... let the user see the change ...
m_associatedWebView->setUpdatesEnabled(true);
// ... and finally scroll to the desired position
if (found)
container->verticalScrollBar()->setValue(scrollPosition);
}
if (!found) {
QPoint previous_position = m_associatedWebView->page()->currentFrame()->scrollPosition();
m_associatedWebView->page()->focusNextPrevChild(true);
m_associatedWebView->page()->currentFrame()->setScrollPosition(previous_position);
}
}
